If a slope coefficient is found to be 10 in a simple regression equation and it\

Question

If a slope coefficient is found to be 10 in a simple regression equation and it's standard error to be 4 on the basis of 20 observations, the critical t-value to a construct a 95% confidence interval is ____.
A. 1.7341 B. 2.1009 C. 1.7291 D. 2.0930 E. 1.7247 If a slope coefficient is found to be 10 in a simple regression equation and it's standard error to be 4 on the basis of 20 observations, the critical t-value to a construct a 95% confidence interval is ____.
A. 1.7341 B. 2.1009 C. 1.7291 D. 2.0930 E. 1.7247
A. 1.7341 B. 2.1009 C. 1.7291 D. 2.0930 E. 1.7247

Explanation / Answer

for degree of freedom =n-2=18

fro 18 degree of freedom and 95% CI, t critical =2.1009

option B is correct

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